Flexible Insulation Laminates

Polyester Film Insulation
Mylar® Electrical Film – Class B (130°C)

Our clear and opaque Mylar® polyester films offer reliable electrical insulation performance for Class B (130°C) environments. Widely used in motor rewinding, transformers, and general electrical maintenance, this material provides excellent dielectric strength and mechanical resilience.

Key Features:

• Flexible and Tear-Resistant: Conforms easily to tight windings
• Excellent Dielectric Properties: Ideal for use in low- to medium-voltage systems
• Chemical & Moisture Resistant: Performs well in a range of industrial environments
• Available Thicknesses: From 30 to 350 microns

Common Applications:

• Slot liners, phase insulation, and coil barriers in motor repair
• Transformers and electrical control gear
• Component wrapping and electrical/electronic protection

Industries Served:

• Motor rewinders and electrical repair workshops
• Transformer manufacturers and OEM equipment builders

Availability:

• Supplied in rolls or cut sheets
• Custom widths available on request

Polyester film is part of our flexible insulation laminate range. For a full insulation system, consider combining it with high-temp sleeving or electrical varnishes.